feat(core-flows,medusa,utils,types): adds delivered_quantity to order (#9130)

what:

- adds delivered_quantity to order


https://github.com/user-attachments/assets/709b1727-08ed-4a88-ae29-38f13540e301

packages/core/utils/src/fulfillment/events.ts

@@ -30,4 +30,5 @@ const eventBaseNames: [
 export const FulfillmentEvents = {
   ...buildEventNamesFromEntityName(eventBaseNames, Modules.FULFILLMENT),
   SHIPMENT_CREATED: "shipment.created",
+  DELIVERY_CREATED: "delivery.created",
 }